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CVE-2021-47667

Quick assessment

Affected
Zend ZendTo
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ZendTo是ZendTo公司的一套基于Web的文件传输系统。 ZendTo 5.24-3版本至6.10-7之前版本存在安全漏洞，该漏洞源于tmp_name参数中存在shell元字符，可能导致未经验证的远程攻击者执行任意命令。

CVSS 10.0 · Critical EPSS 35.09% · P98

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-47667

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An OS command injection vulnerability in lib/NSSDropoff.php in ZendTo 5.24-3 through 6.x before 6.10-7 allows unauthenticated remote attackers to execute arbitrary commands via shell metacharacters in the tmp_name parameter when dropping off a file via a POST /dropoff request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
ZendTo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZendTo是ZendTo公司的一套基于Web的文件传输系统。 ZendTo 5.24-3版本至6.10-7之前版本存在安全漏洞，该漏洞源于tmp_name参数中存在shell元字符，可能导致未经验证的远程攻击者执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Zend ZendTo 5.24-3 ~ 6.10-7 -

II. Public POCs for CVE-2021-47667

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III. Intelligence Information for CVE-2021-47667

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IV. Related Vulnerabilities

Same product: ZendTo
Same vendor: Zend
Same weakness: CWE-78

V. Comments for CVE-2021-47667

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